A fortnightly weigh-in and a weekly hands-on check for a Collie
An elderly Collie should be weighed every two weeks and checked over by hand once a week. The weekly check matters more than the scale alone in this breed, because a Collie's full double coat makes a thinning dog still look well covered from across the room. Only your hands, parting the coat down to the skin, will tell you whether the ribs have become sharp or the hip bones newly prominent.
Weigh on the same scale, at the same time of day, with the coat dry. A wet or freshly bathed Collie carries noticeable extra water in that coat, and a reading taken then can mask a real loss. Many owners use a large platform scale at home or a consistent weigh-in at the vet's reception scale; whichever you choose, stick to it, because switching scales creates jumps that look like change but are only equipment.
Checking under the Collie's coat, section by section
A weekly Collie check should follow the coat's own geography. Part the dense ruff around the neck and feel for lumps, scabs, or sore skin where a collar sits. Work through the feathering on the backs of the legs and under the tail, where mats tighten against the skin and can hide irritation. Run your palms flat over the ribcage and along the spine, pressing gently through the hair to judge covering honestly.
Look at the eyes closely. Older Collies can develop progressive eye changes, so note new cloudiness, bumping into door frames in dim light, or hesitation on steps at dusk. Check the ears for the head tilt or scratching that suggests discomfort, and lift the lips to see the teeth and gums, since a stoic herding dog may keep eating despite a sore mouth. Finish by feeling each leg and paw, checking nails that curl quickly when walks shorten.
Muscle, gait, and the ageing Collie hind end
An elderly Collie's weight can stay stable while muscle quietly leaves the hindquarters, so the weekly check should include watching movement, not just feeling condition. Walk your Collie in a straight line on a flat surface and watch from behind: is there a sway through the hips, a foot that drags or scuffs, or a leg that crosses inward? Note whether rising from a settled lie-down takes longer, or whether the dog now hesitates before the step into the garden.
Keep walks steady and moderate rather than weekend-long. A Collie who was keen at the gate but flags halfway home, sits unprompted, or pants long after returning is telling you the workload has outgrown current fitness or comfort. Short notes on stamina beside each weight turn those impressions into something you can compare month to month.
Thresholds for calling the vet about an elderly Collie
Book a veterinary appointment if your elderly Collie loses weight across two consecutive fortnightly weigh-ins without a planned change in feeding, develops a new lump that grows or changes, or shows a gait change such as dragging toes, knuckling, or repeated stumbling. Vision changes, a persistent head tilt, loss of appetite, or a coat that suddenly comes away in handfuls with sore skin underneath also deserve prompt attention rather than watchful waiting.
Bring your written record to that appointment. Dates, weights, and the week you first noticed a scuffing foot or a new hesitation at steps help the vet separate a slow age-related drift from a faster change that needs investigation. Storing that Collie record in KinsLe using Pet Passport means the weights, eye notes, and gait observations travel as one packet whenever a different family member takes her in.